4 x 100 Watt 4 Ohm Class D Audio Amplifier Board
Brief Introduction:
Welcome to use this self-made 4 x 100W audio amplifier board which has perfect class-T architecture and integrated with high performance STA508 chip supporting dual channel audio amplification. Powered by any DC voltage from 10V to 30V, this high efficiency amplifier board is capable of outputting up to 100W per channel. It can be used to drive 4Ω or 8Ω passive speakers.
Resistance and capacity components of high quality are used to gain the perfect timber, finally realize high S/N ratio, low THD+N, wide frequency response range etc.
Four-channel amplifier makes it a perfect choice for the car audio and home theatre applications.
Features:
- Size: 6 ” x 4.5 ”
- Mute and standby function
- Supply voltage: DC 10V to 30V
- Over/under voltage protection
- Over current protection
- Over temperature protection
Applications:
- Personal computers
- Home DIY
- Home theater receiver
- Car audio
- Multi-channel distribution
- Background music systems
Specification:
Following table lists all typical data of the Amp board. For full specification, please refer to the
data sheet of ST’s STA508 chip.
TA = 25°C, fIN = 1 kHz sine wave, VCC = 30V. (Unless otherwise stated)
Parameter | Condition | Min | Typ | Max |
Supply Voltage (V) | - | 10 | 27 | 30 |
Quiescent Power (W) | Vmute = 0V VCC = 30V | - | 12.6 | - |
Input Sensitivity (mV) | PO = 100W | - | 520 | - |
Input Impedance (Kohm) | - | - | 10 | - |
Gain (dB) | - | - | 32 | - |
Output Power (W rms) | RL = 4ohm, VCC = 30V 1% THD+N | - | 64 | - |
RL = 4ohm, VCC = 30V 10% THD+N | 108 |
Efficiency (%) | PO = 100W | - | 90.3 | - |
Minimum Load (ohm) | - | 3.2 | 4 | - |
Frequency Response (dB) | VCC = 30V | -3 | 1.01 | 3 |
Operating Temperature (℃) | - | 0 | 20 | 50 |
Package content:
- 4 x 100 Watt 4 Ohm Class D Audio Amplifier Board x 1
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